Novel marine sponge alkaloids. 1. Plakinidine A and B, anthelmintic active alkaloids from a Plakortis sponge

Novel marine sponge alkaloids. 1. Plakinidine A and B, anthelmintic active alkaloids from a Plakortis sponge Novel marine sponge alkaloids. 1. Plakinidine A and B, anthelmintic active alkaloids from a Plakortis sponge Plakoridine C, a novel piperidine alkaloid from an Okinawan marine sponge Plakortis sp. Plakinamine L: A New Steroidal Alkaloid from the Marine Sponge Corticium sp Platisidines A-C, N-Methylpyridinium Alkaloids from an Okinawan Marine Sponge of Plakortis Species Plakinidines: Cytotoxic alkaloid pigments from the fijian sponge plakortis sp. Isolation of Plakinamine I: A New Steroidal Alkaloid from the Marine Sponge Corticium sp. and Synthesis of an Analogue Model Compound Minor Steroidal Alkaloids from the Marine Sponge Corticium sp. Minor Steroidal Alkaloids from the Marine Sponge <i>Corticium</i> sp. Plakinamine M, a Steroidal Alkaloid from the Marine Sponge Corticium sp.